Where is the download manager in samsung galaxy tab 4?

Im trying to download an .apk file from chrome and i keep getting message saying to enable "download manager" download failed, i have a samsung galaxy tab 4 ... and i cant seem to find anywhere the download manager in settings... the first day i bought it, i downloaded two .apk files easily, with no problem, now i cant.... how can i enable it, or where can i find it..

I cant find it either, same thing is happening to me